Rubber for massage implements.



No. 782,716. PATENTED PEB.14,1905.

4 J. BARKER.

RUBBER FOR MASSAGE IMPLBMENTS.

APPLICATION FILED SEPTJ30, 1904'.

UNITED STATEs Patented February 14, 1905.

PATENT OFFICE.

RUBBER FOR MASSAGE IMPLEMENT S.

SPECIFICATION forming part of Letters Patent No. 782,715, dated February14, 1905.

Application filed September 30, 1904:. Serial No. 226,686. I

To all whom it may concern.-

Be it known that I, J AMES BARKER, a citizen of the United States,residing'in Philadelphia, Pennsylvania, have invented certainImprovements in Rubbers for Massage Implements, of which the followingis a specification.

My invention relates to a massage device intended to be secured to avibrating shaft, the object of my invention being to employ a massagedevice composed of rubber or other flexible or elastic material in sucha way that the secure attachment of the same to the operating-shaft canbe eiIected.

In the accompanying drawings, Figure l is a sectional view of a massagedevice made in accordance with my invention, and Fig. 2 is a perspectiveView of part of the device.

The massage device consists of a disk 1, of rubber or other yielding orelastic material, having a series of studs 2 projecting from the workingface of the same. In this rubber disk is embedded the head 3 of acarrier which has a projecting screw-stem 4, whereby the massage deviceis connected to the operating mechanism therefor, and in order toincrease the hold of the carrier upon the rubber disk said head 3 hasformed in it a series of openings 5, as shown in Fig. 2, and the massesof rubber in front and rear of the head are connected together byportions 6 passing through these openings, whereby the secure retentionof the rubber disk upon the carrier is insured.

On the back of the disk 1 is a projecting annular rib 7, which surroundsa recess adapted for the reception of a flange 8 upon a nut 9, which isadapted to the screw-stem 4, an annular groove 10 intervening betweenthe flange 8 of the nut and the main portion of the same, which grooveis of greater width than the coarsest hair, sothat there is nopossibility of a hair being caught at the base of the disk 1, as theremight be if the same abutted against the face of the nut.

Having thus described my invention, I claim and desire to secure byLetters Patent" 1. A massage device consisting of a disk of flexible orelastic material having at the back an inwardly-projecting rib forengaging with a carrier and another rib projecting rearwardly therefrom,substantially as specified.

2. The combination, in a massage device, of

a carrier having an enlarged head with openings therein, and a disk offlexible or elastic material covering said head, and having aninwardly-projecting rib overlapping the back of same, said rib beingconnected to the portion in advance of the head by portions extendingthrough the openings of the latter, substantially as specified.

3. The combination, in a massage device, of a carrier having an enlargedhead, with a disk of flexible or elastic material having aninwardly-projecting rib which overlaps said head and an annular ribprojecting rearwardly therefrom, and a nut having a portion which isadapted to the recess bounded by said annular rib, substantially asspecified.

4. The combination, in a massage device, of a disk of flexible orelastic material having a carrier-stem projecting rear w ardl ytherefrom, and a rearwardly-projecting annular rib, with a nut having aflange adapted to the recess bounded by said rib, said nut having,adjacent to said flange, an annular groove, substantially as specified.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

JAMES BARKER.

Witnesses:

IVALTER CHIsM, Jos. H. KLEIN.

